PATENTS

2597. ------. [PATART, G.] [Catalysts for Methanol Synthesis.] Swiss Patent 120,509, no date. Schmidt, J., Das Kohlenoxyd, Akad. Verlagsgesell., Leipzig, 1950, pp. 208, 215.

Basic chromates, wolframates, molydbates, manganates, and zinc salts are contained in horizontal catalyst tubes. Heat exchange takes place through the catalyst tube.

See British Patent 252,362 (abs. 2595).